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Table 4 Estimated versus documented weekly working time of full-time teachers (n = 6,109)

From: Teachers’ working time as a risk factor for their mental health - findings from a cross-sectional study at German upper-level secondary schools

Covariates Online Questionnaire Online Protocol
M ± SD [h] M ± SD [h]
Sex (number of teachers)
 - male (2680) 41.9 ± 7.8 44.2 ± 8.6
 - female (3429) 43.5 ± 8.2 45.7 ± 8.7
F-value 61.37 18.24
p-value (η2partial-value) <0.001 (0.010) <0.001 (0.012)
Age groups [years] (number of teachers)
 - 20 – 29 (639) 44.7 ± 7.9 47.0 ± 8.8
 - 30 – 39 (2442) 42.9 ± 8.3 45.2 ± 8.8]
 - 40 – 49 (1535) 41.9 ± 7.6 44.6 ± 8.6
 - 50 – 59 (1177) 43.1 ± 8.1 44.8 ± 8.5
 - 60 – 67 (316) 41.0 ± 8.3 42.2 ± 8.3
F-value 18.75 42.06
p-value (η2partial-value) <0.001 (0.012) <0.001 (0.007)
Subject profile (number of teachers)
 - languages (990) 44.8 ± 8.5 46.5 ± 9.2
 - social sciences (220) 43.7 ± 9.3 44.6 ± 9.3
 - natural sciences (1310) 41.9 ± 7.7 44.7 ± 8.3
 - languages and social sciences (1497) 43.2 ± 8.3 45.1 ± 8.9
 - languages and natural sciences (373) 43.1 ± 7.8 45.2 ± 8.4
 - social sciences and natural sciences (471) 42.5 ± 7.4 44.7 ± 8.2
 - art, music, sports (126) 39.2 ± 6.7 42.0 ± 7.6
 - subject combinations with art, music, sports (1122) 41.6 ± 7.7 42.2 ± 8.6
F-value 19.96 7.13
p-value (η2partial-value) <0.001 (0.022) <0.001 (0.008)
  1. Notes: M ± SD mean ± standard deviation. Univariate variance analyses; test variable: F-value; df = 2; error def = 6,104; post-hoc test: Bonferroni; p-value: significance (two-sided); η2partial: partial eta square (effect size): 0.010 - 0.060 = small effect, < 0.010 = none effect [41]